大师作文网A man has bought 123chicks and 86 ducks. The total cost of c
来源：学生作业帮 编辑：大师作文网作业帮 分类：英语作业 时间：2024/11/12 22:45:37
A man has bought 123chicks and 86 ducks. The total cost of chicks and ducks is 504 Yuan.and we know the price of 3chicks equals that of 2ducks.
What's the price of each chick and duck?
______Yuan per chick ________Yuan per duck
What's the price of each chick and duck?
______Yuan per chick ________Yuan per duck
你是要问数学,还是英语?
___2___Yuan per chick __3______Yuan per duck
再问： 过程，怎么得来的
再答： x=price for chick y=price for duck eq 1: 123x + 86y = 504 eq 2: 3x = 2y y=3x/2 substitute into eq 1: 123x + 86*3x/2 = 123x + 129x = 252x = 504 therefore, x=2 y=3*2/2=3
___2___Yuan per chick __3______Yuan per duck
再问： 过程，怎么得来的
再答： x=price for chick y=price for duck eq 1: 123x + 86y = 504 eq 2: 3x = 2y y=3x/2 substitute into eq 1: 123x + 86*3x/2 = 123x + 129x = 252x = 504 therefore, x=2 y=3*2/2=3
total+cost+of+the+trip是什么意思
英语翻译7.A mark-up of 15% will be applied to the total cost of
英语翻译The total daily cost c,in dollars,of producing x units o
一道sat数学题!The total daily cost c,in dollars,of producing x un
He is the man of () and he has () a lot of interesting thing
He is the man of () and he has () a lot of intereA.many expe
total material cost of sales
a man has two parts of brain,one is the left and the other i
英语题 The man has a special talent for art and is ____ of a mu
The book which bought for me by my father cost a lot of mone
a total of和the total of的区别
有a total of 和 the total of